html,
body {
    padding: 0;
    margin: 0;
    width: 100%;
    display: flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
}

@font-face {
    font-family: hanguang;
    src: url(../fonts/FZSJSJW.TTF);
    font-weight: 500;
    font-style: normal;
}

* {
    font-family: hanguang;
}

#content {
    width: 70%;
}

#nav {
    position: fixed;
    width: auto;
    height: 100%;
    left: 10px;
    top: 0;
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-around;
    align-items: center;
}

#nav a {
    writing-mode: vertical-lr;
    display: block;
}

p {
    width: 100%;
}

a {
    text-decoration: none;
    color: black !important;
}

img {
    max-width: 80%;
}